| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.iotdb.db.auth; |
| |
| import org.apache.iotdb.commons.auth.entity.Role; |
| import org.apache.iotdb.commons.auth.entity.User; |
| import org.apache.iotdb.db.conf.IoTDBDescriptor; |
| |
| import com.github.benmanes.caffeine.cache.Cache; |
| import com.github.benmanes.caffeine.cache.Caffeine; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| public class BasicAuthorityCache implements IAuthorCache { |
| private static final Logger logger = LoggerFactory.getLogger(BasicAuthorityCache.class); |
| |
| private IoTDBDescriptor conf = IoTDBDescriptor.getInstance(); |
| |
| private Cache<String, User> userCache = |
| Caffeine.newBuilder() |
| .maximumSize(conf.getConfig().getAuthorCacheSize()) |
| .expireAfterAccess(conf.getConfig().getAuthorCacheExpireTime(), TimeUnit.MINUTES) |
| .build(); |
| |
| private Cache<String, Role> roleCache = |
| Caffeine.newBuilder() |
| .maximumSize(conf.getConfig().getAuthorCacheSize()) |
| .expireAfterAccess(conf.getConfig().getAuthorCacheExpireTime(), TimeUnit.MINUTES) |
| .build(); |
| |
| @Override |
| public User getUserCache(String userName) { |
| return userCache.getIfPresent(userName); |
| } |
| |
| @Override |
| public Role getRoleCache(String roleName) { |
| return roleCache.getIfPresent(roleName); |
| } |
| |
| @Override |
| public void putUserCache(String userName, User user) { |
| userCache.put(userName, user); |
| } |
| |
| @Override |
| public void putRoleCache(String roleName, Role role) { |
| roleCache.put(roleName, role); |
| } |
| |
| /** |
| * Initialize user and role cache information. |
| * |
| * <p>If the permission information of the role changes, only the role cache information is |
| * cleared. During permission checking, if the role belongs to a user, the user will be |
| * initialized. |
| */ |
| @Override |
| public boolean invalidateCache(String userName, String roleName) { |
| if (userName != null) { |
| if (userCache.getIfPresent(userName) != null) { |
| List<String> roleList = userCache.getIfPresent(userName).getRoleList(); |
| if (!roleList.isEmpty()) { |
| roleCache.invalidateAll(roleList); |
| } |
| userCache.invalidate(userName); |
| } |
| if (userCache.getIfPresent(userName) != null) { |
| logger.error("datanode cache initialization failed"); |
| return false; |
| } |
| } |
| if (roleName != null) { |
| if (roleCache.getIfPresent(roleName) != null) { |
| roleCache.invalidate(roleName); |
| } |
| if (roleCache.getIfPresent(roleName) != null) { |
| logger.error("datanode cache initialization failed"); |
| return false; |
| } |
| } |
| return true; |
| } |
| } |